<div class="mst">
  <nz-input-group [nzSuffix]="suffix1">
    <input nz-input />
  </nz-input-group>
  <ng-template #suffix1>
    <span nz-icon nzType="search"></span>
  </ng-template>

  <nz-input-group [nzAddOnAfter]="suffix2" nzSearch>
    <input nz-input />
  </nz-input-group>
  <ng-template #suffix2>
    <button nz-button nzType="primary">
      <span nz-icon nzType="search"></span>
    </button>
  </ng-template>

  <nz-input-group [nzAddOnAfter]="suffix3" nzSearch>
    <input nz-input />
  </nz-input-group>
  <ng-template #suffix3>
    <button nz-button nzType="primary">Search</button>
  </ng-template>
</div>
